manuskript/manuskript/exporter/pandoc/__init__.py
leela decb60cbef change markdown to "Markdown" in....
...A universal document converter. Can be used to convert markdown to a wide range of other formats.
see https://en.wikipedia.org/wiki/Markdown
2019-09-29 09:09:31 -06:00

110 lines
3.4 KiB
Python

#!/usr/bin/env python
# --!-- coding: utf8 --!--
import subprocess
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QCursor
from PyQt5.QtWidgets import qApp, QMessageBox
from manuskript.exporter.basic import basicExporter, basicFormat
from manuskript.exporter.pandoc.HTML import HTML
from manuskript.exporter.pandoc.PDF import PDF
from manuskript.exporter.pandoc.outputFormats import ePub, OpenDocument, DocX
from manuskript.exporter.pandoc.plainText import reST, markdown, latex, OPML
from manuskript.functions import mainWindow
class pandocExporter(basicExporter):
name = "Pandoc"
description = qApp.translate("Export", """<p>A universal document converter. Can be used to convert Markdown to a wide range of other
formats.</p>
<p>Website: <a href="http://www.pandoc.org">http://pandoc.org/</a></p>
""")
cmd = "pandoc"
absentTip = "Install pandoc to benefit from a wide range of export formats (DocX, ePub, PDF, etc.)"
absentURL = "http://pandoc.org/installing.html"
def __init__(self):
basicExporter.__init__(self)
self.exportTo = [
markdown(self),
latex(self),
HTML(self),
ePub(self),
OpenDocument(self),
DocX(self),
PDF(self),
reST(self),
OPML(self),
]
def version(self):
if self.isValid():
r = self.run(["--version"])
return r.split("\n")[0]
else:
return ""
def convert(self, src, args, outputfile=None):
if self.isValid() == 2:
run = self.cmd
elif self.isValid() == 1:
run = self.customPath
else:
print("Error: no command for pandoc")
return None
args = [run] + args
if outputfile:
args.append("--output={}".format(outputfile))
for name, col, var in [
("Title", 0, "title"),
("Subtitle", 1, "subtitle"),
("Serie", 2, ""),
("Volume", 3, ""),
("Genre", 4, ""),
("License", 5, ""),
("Author", 6, "author"),
("Email", 7, ""),
]:
item = mainWindow().mdlFlatData.item(0, col)
if var and item and item.text().strip():
args.append("--variable={}:{}".format(var, item.text().strip()))
# Add title metadata required for pandoc >= 2.x
title = "Untitled"
if mainWindow().mdlFlatData.item(0, 0):
title = mainWindow().mdlFlatData.item(0, 0).text().strip()
args.append("--metadata=title:{}".format(title))
qApp.setOverrideCursor(QCursor(Qt.WaitCursor))
p = subprocess.Popen(
args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
if not type(src) == bytes:
src = src.encode("utf-8") # assumes utf-8
stdout, stderr = p.communicate(src)
qApp.restoreOverrideCursor()
if stderr or p.returncode != 0:
err = "ERROR on export" + "\n" \
+ "Return code" + ": %d\n" % (p.returncode) \
+ "Command and parameters" + ":\n%s\n" % (p.args) \
+ "Stderr content" + ":\n" + stderr.decode("utf-8")
print(err)
QMessageBox.critical(mainWindow().dialog, qApp.translate("Export", "Error"), err)
return None
return stdout.decode("utf-8")